<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        /* 
           some:只要其中一个为true 就会返回true的，
           every:方法必须所有都返回true才会返回true，
           every:一假即假
           some:一真即真 
       */

        var arr = [1, 3, 5, 7, 9, 10];
        let result = arr.every((value, index, array) => {
            console.log(value);
            if (value < 10) {
                return true;
            }
        });
        console.log(result);
    </script>
</body>

</html>